Economic Human Activity Systems
The following picture identifies the Human Activity Systems that interact to create the performance of the economy.
System Element: Identification

A person takes on different roles as a member of a human activity system.
The relationships between the various human activity systems are shown in the following diagram.
System Element: Relationships

Some key relationships:
- The state establishes the rules for a market
- The state determines if infrastructure services are provided in a Market or provided through the commons.
- The state collects taxes from the enterprise or the household.
- The state establishes the rules for the financial institutions
- The state enforces the rules that it has set.